[PATCH] clang-tidy checker that enforce proper parentheses in macros

[Alexander Kornienko]

================
Comment at: include/clang/Lex/Token.h:97
@@ -96,1 +96,3 @@
   bool isNot(tok::TokenKind K) const { return Kind != K; }
+  bool isOneOf(tok::TokenKind K1, tok::TokenKind K2) const {
+    return is(K1) || is(K2);
----------------
edse wrote:
> alexfh wrote:
> > Thanks! This should go in a separate patch though. And I would appreciate if you updated FormatToken::isOneOf to just redirect to this implementation.
> Separate patch is no problem, but redirecting that is a simple word.. I've come up with something like this.
> 
> ```
> template<> bool isOneOf<tok::TokenKind, tok::TokenKind>
> (tok::TokenKind K1, tok::TokenKind K2) const {
>   return Tok.isOneOf(K1, K2);
> }
> ```
> but the variadic function is more tricky, I always get the //function template partial specialization is not allowed// warning, and to just redirect one of the functions is imho not a good idea.
> 
> My proposal is to leave this as is, do you have a comment?
> 
It would be nice as a separate patch as it changes a totally different part of the project (residing in a different part of the repository, btw).

As for `FormatToken::isOneOf`, I missed that it also works for other `FormatToken::is` overloads (taking `TokenType` and `IdentifierInfo *`), so it doesn't make sense to redirect it.

http://reviews.llvm.org/D9528

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